From:
Charles Robert Darwin
To:
Ernst Philipp August (Ernst) Haeckel
Date:
21 Jan 1880
Source of text:
Ernst-Haeckel-Haus (Bestand A-Abt. 1:1-52/50 [A 9904])
Summary:
Thanks EH for copy of book [Das System der Medusen (1879)].
Contributor:
Darwin Correspondence Project